Utility knife



FIG. 1 is a perspective view of a utility knife showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof.

The ornamental design which is claimed is shown in solid lines in thedrawings. The broken lines in the drawings are for illustrative purposesonly and form no part of the claimed design.

We claim the ornamental design for a utility knife, as shown anddescribed.